| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache license, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the license for the specific language governing permissions and |
| * limitations under the license. |
| */ |
| package org.apache.logging.log4j.core.script; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.Reader; |
| import java.net.URI; |
| import java.nio.charset.Charset; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| |
| import org.apache.logging.log4j.plugins.Node; |
| import org.apache.logging.log4j.plugins.Plugin; |
| import org.apache.logging.log4j.plugins.PluginAttribute; |
| import org.apache.logging.log4j.plugins.PluginFactory; |
| import org.apache.logging.log4j.core.util.ExtensionLanguageMapping; |
| import org.apache.logging.log4j.core.util.FileUtils; |
| import org.apache.logging.log4j.core.util.IOUtils; |
| import org.apache.logging.log4j.core.util.NetUtils; |
| |
| /** |
| * Container for the language and body of a script file along with the file location. |
| */ |
| @Plugin(name = "ScriptFile", category = Node.CATEGORY, printObject = true) |
| public class ScriptFile extends AbstractScript { |
| |
| private final Path filePath; |
| private final boolean isWatched; |
| |
| |
| public ScriptFile(final String name, final Path filePath, final String language, final boolean isWatched, final String scriptText) { |
| super(name, language, scriptText); |
| this.filePath = filePath; |
| this.isWatched = isWatched; |
| } |
| |
| public Path getPath() { |
| return this.filePath; |
| } |
| |
| public boolean isWatched() { |
| return isWatched; |
| } |
| |
| @PluginFactory |
| public static ScriptFile createScript( |
| // @formatter:off |
| @PluginAttribute String name, |
| @PluginAttribute String language, |
| @PluginAttribute("path") final String filePathOrUri, |
| @PluginAttribute final Boolean isWatched, |
| @PluginAttribute final Charset charset) { |
| // @formatter:on |
| if (filePathOrUri == null) { |
| LOGGER.error("No script path provided for ScriptFile"); |
| return null; |
| } |
| if (name == null) { |
| name = filePathOrUri; |
| } |
| final URI uri = NetUtils.toURI(filePathOrUri); |
| final File file = FileUtils.fileFromUri(uri); |
| if (language == null && file != null) { |
| final String fileExtension = FileUtils.getFileExtension(file); |
| if (fileExtension != null) { |
| final ExtensionLanguageMapping mapping = ExtensionLanguageMapping.getByExtension(fileExtension); |
| if (mapping != null) { |
| language = mapping.getLanguage(); |
| } |
| } |
| } |
| if (language == null) { |
| LOGGER.info("No script language supplied, defaulting to {}", DEFAULT_LANGUAGE); |
| language = DEFAULT_LANGUAGE; |
| } |
| |
| final Charset actualCharset = charset == null ? Charset.defaultCharset() : charset; |
| String scriptText; |
| try (final Reader reader = new InputStreamReader( |
| file != null ? new FileInputStream(file) : uri.toURL().openStream(), actualCharset)) { |
| scriptText = IOUtils.toString(reader); |
| } catch (final IOException e) { |
| LOGGER.error("{}: language={}, path={}, actualCharset={}", e.getClass().getSimpleName(), |
| language, filePathOrUri, actualCharset); |
| return null; |
| } |
| final Path path = file != null ? Paths.get(file.toURI()) : Paths.get(uri); |
| if (path == null) { |
| LOGGER.error("Unable to convert {} to a Path", uri.toString()); |
| return null; |
| } |
| return new ScriptFile(name, path, language, isWatched == null ? Boolean.FALSE : isWatched, scriptText); |
| } |
| |
| @Override |
| public String toString() { |
| final StringBuilder sb = new StringBuilder(); |
| if (!(getName().equals(filePath.toString()))) { |
| sb.append("name=").append(getName()).append(", "); |
| } |
| sb.append("path=").append(filePath); |
| if (getLanguage() != null) { |
| sb.append(", language=").append(getLanguage()); |
| } |
| sb.append(", isWatched=").append(isWatched); |
| return sb.toString(); |
| } |
| } |